20 Leonis Minoris
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Leo Minor |
| Right ascension | 10h 01m 00.66s[1] |
| Declination | +31° 55′ 25.2″[1] |
| Apparent magnitude (V) | 5.40 |
| Characteristics | |
| Spectral type | G3 Va/M6.5 |
| U−B color index | 0.27 |
| B−V color index | 0.65 |
| Astrometry | |
| Radial velocity (Rv) | +56.0 km/s |
| Proper motion (μ) | RA: -527.63 ± 0.30[1] mas/yr Dec.: -429.42 ± 0.18[1] mas/yr |
| Parallax (π) | 66.46 ± 0.32[1] mas |
| Distance | 49.1 ± 0.2 ly (15.05 ± 0.07 pc) |
| Absolute magnitude (MV) | 4.53 |
| Details | |
| Radius | 1.247 ± 0.021[2] R☉ |
| Luminosity | 1.378 ± 0.027[2] L☉ |
| Temperature | 5735 ± 5.6[3] K |
| Age | 6.2–7.7[4] Gyr |
| Other designations | |
20 Leonis Minoris is a binary star system in the constellation Leo Minor. It has a relatively high proper motion. The companion is an old, active red dwarf star that has a relatively high metallicity.[6] The two stars are currently separated by 14.5 arc seconds.
References
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